// ***************************************************************************************************************************
// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
// * with the License.  You may obtain a copy of the License at                                                              *
// *                                                                                                                         *
// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
// *                                                                                                                         *
// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
// * specific language governing permissions and limitations under the License.                                              *
// ***************************************************************************************************************************
package org.apache.juneau;

import java.text.*;

/**
 * An exception that typically occurs when trying to perform an invalid operation on a configuration property.
 */
public class ConfigException extends FormattedRuntimeException {
	private static final long serialVersionUID = 1L;

	/**
	 * Constructor
	 * 
	 * @param message The error message.
	 * @param args Optional {@link MessageFormat}-style arguments.
	 */
	public ConfigException(String message, Object...args) {
		super(message, args);
	}

	/**
	 * Constructor
	 * 
	 * @param t The init cause.  Can be <jk>null</jk>. 
	 * @param message The error message.
	 * @param args Optional {@link MessageFormat}-style arguments.
	 */
	public ConfigException(Throwable t, String message, Object...args) {
		super(t, message, args);
	}
	
	@Override
	public String getMessage() {
		Throwable t = getCause();
		if (t == null)
			return super.getMessage();
		StringBuilder sb = new StringBuilder(super.getMessage());
		while (t != null) {
			sb.append("  ").append(t.getMessage());
			t = t.getCause();
		}
		return sb.toString();
	}
}